Home / 486,042.20-729,063.30-276,090.20

Finding the Fourth Proportional to 486,042.20, 729,063.30 and 276,090.20

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Solution

The fourth proportional to 486,042.20, 729,063.30 and 276,090.20 is: 414,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,042.20 : 729,063.30 = 276,090.20 : x
  2. Step 2: Convert to fraction form
    486,042.20/729,063.30 = 276,090.20/x
  3. Step 3: Cross multiply
    486,042.20x = 729,063.30 × 276,090.20
  4. Step 4: Simplify right side
    486,042.20x = 201,287,232,309.66
  5. Step 5: Solve for x
    x = 201,287,232,309.66/486,042.20
  6. Step 6: Final answer
    x = 414,135.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.